import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        System.out.println("输入登录密码：");
        Scanner sc = new Scanner(System.in);
        int count = 3;
        while(count != 0){
            String input = sc.nextLine();
            if(input.equals("123456")){
                System.out.println("登录成功");
                break;
            }
            else{
                --count;
                System.out.println("密码错误，你还有"+count+"次机会");
            }
        }
    }
}